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<?php echo "\nLets try to redefine true..\n"; define("true", false); if (true) { echo "TRUE"; } else { echo "FALSE"; } echo "\nNow redefine TRUE..\n"; define("TRUE", false); if (TRUE) { echo "TRUE"; } else { echo "FALSE"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
Branch analysis from position: 17
filename:       /in/Fqtv1
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ECHO                                                     '%0ALets+try+to+redefine+true..%0A'
    3     1        INIT_FCALL                                               'define'
          2        SEND_VAL                                                 'true'
          3        SEND_VAL                                                 <false>
          4        DO_ICALL                                                 
    5     5      > JMPZ                                                     <true>, ->8
    6     6    >   ECHO                                                     'TRUE'
          7      > JMP                                                      ->9
    8     8    >   ECHO                                                     'FALSE'
   11     9    >   ECHO                                                     '%0ANow+redefine+TRUE..%0A'
   12    10        INIT_FCALL                                               'define'
         11        SEND_VAL                                                 'TRUE'
         12        SEND_VAL                                                 <false>
         13        DO_ICALL                                                 
   14    14      > JMPZ                                                     <true>, ->17
   15    15    >   ECHO                                                     'TRUE'
         16      > JMP                                                      ->18
   17    17    >   ECHO                                                     'FALSE'
   18    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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